He also recommended Sam review his practice “as a matter of urgency,” while adding his tooth would be accepted “on this occasion” but that future payments would be withheld if the situation didn’t improve.

Warren shared the note to Twitter on Tuesday. “Our son is dreadful at brushing his teeth,” he captioned the post. “Turns out the Tooth Fairy has had enough.”

It has since gone viral, with many people praising him for his “expert” parenting skills: